if(Browser.Engine.version == 4 && Browser.Engine.trident == true) {
	
	window.addEvent('domready', function() {

		// end of buttonBox
		$$('.submitButton').each(function(div){
			div.addEvents({
				'mouseover': function(){
					div.addClass('submitButtonHover');
				},
				'mouseout': function(){
					div.removeClass('submitButtonHover');
				}
			});	
		});
		// end of submitButton
		$$('.backButton').each(function(div){
			div.addEvents({
				'mouseover': function(){
					div.addClass('backButtonHover');
				},
				'mouseout': function(){
					div.removeClass('backButtonHover');
				}
			});	
		});
		// end of backButton
		$$('.insertArticle').each(function(div){
			div.addEvents({
				'mouseover': function(){
					div.addClass('insertArticleHover');
				},
				'mouseout': function(){
					div.removeClass('insertArticleHover');
				}
			});	
		});
		// end of insertButton
		$$('.checkedButton').each(function(div){
			div.addEvents({
				'mouseover': function(){
					div.addClass('checkedButtonHover');
				},
				'mouseout': function(){
					div.removeClass('checkedButtonHover');
				}
			});	
		});
		// end of insertButton
		$$('.anser').each(function(div){
			div.addEvents({
				'mouseover': function(){
					div.addClass('anserHover');
				},
				'mouseout': function(){
					div.removeClass('anserHover');
				}
			});	
		});
		// end of insertButton		
		$$('.forumTable tr').each(function(tr){
			tr.addEvents({
				'mouseover': function(){
					tr.addClass('bg');
				},
				'mouseout': function(){
					tr.removeClass('bg');
				}
			});	
		});
		// end of insertButton
	});	
}